CVE-2011-1758 json
The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7, when automat…
published 2011-05-26 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1757
- cvss
- 3.7
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7, when automatic ticket renewal and offline authentication are configured, uses a pathname string as a password, which allows local users to bypass Kerberos authentication by listing the /tmp directory to obtain the pathname.
Patch / fix
- sssd openSUSE Tumbleweed 1.14.2-3.1
opensuse advisories openSUSE-SU-2024:10427-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2011-1758 updated cvss 5.1
sssd: automatic TGT renewal overwrites cached password with value of predicatable filename
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 3.7 | AV:L/AC:H/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
bugzilla.redhat.com
/show_bug.cgi?id=700867
patch
-
fedorahosted.org
/sssd/ticket/856
patch
-
openwall.com
/lists/oss-security/2011/04/29/4
mailing-list, patch
-
fedorahosted.org
/pipermail/sssd-devel/2011-April/006138.html
mailing-list, patch
-
lists.fedoraproject.org
/pipermail/package-announce/2011-May/059619.html
vendor-advisory
-
lists.fedoraproject.org
/pipermail/package-announce/2011-May/059532.html
vendor-advisory
- fedorahosted.org /sssd/wiki/Releases/Notes-1.5.7
- git.fedorahosted.org /git/?p=sssd.git%3Ba=commit%3Bh=fffdae81651b460f3d2c119c56d5caa09b4de42a
- bugzilla.redhat.com /show_bug.cgi?id=700891
Sources
- CVE List CVE-2011-1758
- NVD CVE-2011-1758
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.